# PSA vs ePPEcentre by Petzl

The clearest difference is update cadence: PSA at every 3 months against ePPEcentre by Petzl's every 6 months. PSA also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PSA ships an update every 3 months, ePPEcentre by Petzl every 6 months. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PSA | ePPEcentre by Petzl |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | — | Free |
| Size | 20 MB | 48 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Certado GmbH](https://appshunter.io/developer/1588853102) | [ZEDEL](https://appshunter.io/developer/1706864231) |

## What reviewers say

### PSA

[App page](https://appshunter.io/ios/app/psa-audit/id1664063797)

**In-app purchases:** none


### ePPEcentre by Petzl

[App page](https://appshunter.io/ios/app/eppecentre-by-petzl/id6466090005)

Streamline personal protective equipment (PPE) management with this app. Easily add, inspect, and track your equipment throughout its lifecycle, ensuring compliance and efficiency. Available on desktop and mobile devices.

**Highlights:** Scan equipment with QR, NFC, or datamatrix, Organize inventory with tags and destinations, Perform inspections with tracking sheets, Add photos and documents to reports, Schedule inspections and replacements, Track equipment lifecycle from manufacturing to retirement

**In-app purchases:** none


## Frequently asked questions

### Is PSA free?

PSA is free to download, with no in-app purchases.

### Is ePPEcentre by Petzl free?

ePPEcentre by Petzl is free to download, with no in-app purchases.

### Do PSA or ePPEcentre by Petzl have ads?

Neither PSA nor ePPEcentre by Petzl shows ads.

### Which is updated more often, PSA or ePPEcentre by Petzl?

PSA ships an update every 3 months, and ePPEcentre by Petzl every 6 months. Most recently, PSA was updated on October 21, 2026 and ePPEcentre by Petzl on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*